STD 12 - 5. molecular basis of inheritance — NEET STD 11 Science — Question

In cytoplasm high numbers of including bodies is called........

Herbivores are called

Which of the following statements are wrong for cyanobacteria ?
(i) They are multicellular, colonial or filamentous, freshwater/marine or terrestrial algae,
(ii) The colonies are generally surrounded by gelatinous sheath.
(iii) They often form blooms in polluted water bodies.
(iv) Some of these organisms can fix atmospheric nitrogen in specialised cells called heterocysts.
(v) They have chlorophyll 'a' which is not similar to green plants and are photosynthetic autotrophs.
(vi) Nostoc and Anabaena included in this group

Cell elongation in intermodal regions of the green plants takes place due to

Thorn of Bougainvillea is modified

Which one is wrong statement ?

Select the Animals in which closed circulatory system is present
Kangaroo, Crocodile, Cat, Dog, Parrot, Crow, Elephant, Frog, Tiger, Human.

Which of the following statements are correct ?
(i) Vernalisation refers to the promotion of flowering by a period of high temperature.
(ii) The spring variety of crops are normally planted in the spring and come to flower before the end of the growing season.
(iii) It is not seen in biennial plants.
(iv) Subjecting cold treatment to sugar beet will result in flowering.
(v) Cytokinins specially help in delaying senescence.
(vi) Auxins are involved in regulating apical dominance.
(vii) Ethylene is specially useful in enhancing seed germination.
(viii) Gibberellins are responsible for immature falling of leaves.
(ix) Cytokinins promote senescence.
(x) Auxins control apical dominance.
(xi) Gibberellins promote shoot elongation.
(xii) Abscissic acid enables seeds to withstand desiccation.
Choose the correct option given below :-